2766427 has 4 divisors (see below), whose sum is σ = 2929176. Its totient is φ = 2603680.

The previous prime is 2766389. The next prime is 2766431. The reversal of 2766427 is 7246672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2766427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2766392 and 2766401.

It is not an unprimeable number, because it can be changed into a prime (2766487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81349 + ... + 81382.

It is an arithmetic number, because the mean of its divisors is an integer number (732294).

2^2766427 is an apocalyptic number.

2766427 is a deficient number, since it is larger than the sum of its proper divisors (162749).

2766427 is a wasteful number, since it uses less digits than its factorization.

2766427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162748.

The product of its digits is 28224, while the sum is 34.

The square root of 2766427 is about 1663.2579475235. The cubic root of 2766427 is about 140.3803771517.

The spelling of 2766427 in words is "two million, seven hundred sixty-six thousand, four hundred twenty-seven".